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Discussion :: Measurements and Instrumentation

  1. The power factor of a single phase load can be calculated if instruments available are

    2. A.
    one voltmeter, one ammeter
    B.
    two ammeters
    C.
    two voltmeters
    D.
    one voltmeter, one ammeter and one wattmeter

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    Answer : Option D

    Explanation :

    , we need to, measure active power, voltage and current.

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